Error when updating the theme

http://www.santamonicahotelbooking.com

Hi!

I get this long error text when I try to update the child theme:
What is wrong? I have added the login for you if you can have a look.

Thanks
Charlotte

Theme update failed.
An error occurred while updating Enfold: The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions. searchform.php, index.php, author.php, header.php, forum.php, page.php, config-layerslider, framework, single.php, template-archives.php, css, archive.php, sidebar.php, functions.php, includes, config-templatebuilder, images, tag.php, comments.php, config-woocommerce, config-events-calendar, config-gravityforms, template-builder.php, search.php, js, config-wpml, screenshot.png, config-wordpress-seo, lang, 404.php, taxonomy-portfolio_entries.php, config-bbpress, template-blank.php, single-portfolio.php, footer.php, style.css, wpml-config.xml, functions-enfold.php, config-layerslider/LayerSlider, config-layerslider/config.php, config-layerslider/.DS_Store, config-layerslider/update.txt, framework/php, framework/css, framework/avia_framework.php, framework/images, framework/.DS_Store, framework/js, css/print.css, css/custom.css, css/shortcodes.css, css/dynamic-css.php, css/layout.css, css/grid.css, css/base.css, css/rtl.css, includes/loop-portfolio-single.php, includes/loop-index.php, includes/helper-social-media.php, includes/helper-markup.php, includes/helper-main-menu.php, includes/helper-responsive-megamenu.php, includes/loop-comments.php, includes/error404.php, includes/loop-about-author.php, includes/admin, includes/.DS_Store, includes/helper-conditional-megamenu.php, includes/loop-author.php, includes/helper-template-logic.php, includes/loop-page.php, includes/related-posts.php, includes/helper-post-format.php, includes/loop-search.php, config-templatebuilder/config.php, config-templatebuilder/avia-shortcodes, config-templatebuilder/.DS_Store, config-templatebuilder/avia-template-builder, images/framework-helper, images/background-images, images/layout, config-woocommerce/woocommerce-mod.css, config-woocommerce/admin-import.php, config-woocommerce/woocommerce-mod.js, config-woocommerce/config.php, config-woocommerce/admin-options.php, config-woocommerce/images, config-woocommerce/con

etc…